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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | -1 |
| 3 | 2 |
| 4 | 0 |
| 5 | -1 |
| 6 | 3 |
| 7 | 1 |
| 8 | -1 |
| 9 | -1 |
| 10 | 5 |
| 11 | 4 |
| 12 | -1 |
| 13 | -2 |
| 14 | -1 |
| 15 | 8 |
| 16 | 10 |
| 17 | 2 |
| 18 | -4 |
| 19 | -3 |
| 20 | -1 |
| 21 | 13 |
| 22 | 22 |
| 23 | 11 |
| 24 | -4 |
| 25 | -8 |
| 26 | -4 |
| 27 | -1 |
| 28 | 21 |
| 29 | 45 |
| 30 | 35 |
| 31 | 3 |
| 32 | -15 |
| 33 | -13 |
| 34 | -5 |
| 35 | -1 |
| 36 | 34 |
| 37 | 88 |
| 38 | 91 |
| 39 | 34 |
| 40 | -20 |
| 41 | -32 |
| 42 | -19 |
| 43 | -6 |
| 44 | -1 |
| 45 | 55 |
| 46 | 167 |
| 47 | 214 |
| 48 | 128 |
| 49 | -1 |
| 50 | -65 |
| 51 | -56 |
| 52 | -26 |
| 53 | -7 |
| 54 | -1 |
[1,1,-1,2,0,-1,3,1,-1,-1,5,4,-1,-2,-1,8,10,2,-4, -3,-1,13,22,11,-4,-8,-4,-1,21,45,35,3,-15,-13,-5, -1,34,88,91,34,-20,-32,-19,-6,-1,55,167,214,128, -1,-65,-56,-26,-7,-1] |